Disposable Dust Mop: This is the best economic choice where you do not have processing capabilities. Designed with a heavy non-woven backing and bottom center row of yarn for additional dust pick up capabilities. These mops are stocked in Blue and White yarn colors and are pre-treated unless specified as untreated. Standard packaging is 12 units per case. Pricing is per unit and order quantity below is per unit. We will accept orders in less than case quantities.